package com.example.lotterysystem.dao.mapper;


import com.example.lotterysystem.dao.dataobject.ActivityUserDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityUserMapper {
    @Insert("<script> " +
            "insert  into activity_user (activity_id,user_id,user_name,status)" +
            "values <foreach collection = 'items' item = 'item' index='index' separator=','>" +
            "(#{item.activityId},#{item.userId},#{item.userName},#{item.status})" +
            "</foreach>" +
            "</script>")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);

    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId")Long activityId);

    @Select("<script> " +
            " select * from activity_user " +
            " where activity_id = #{activityId} " +
            " and user_id in " +
            " <foreach collection= 'userIds' item = 'userId' open = '(' separator=',' close=')' > " +
            " #{userId}" +
            " </foreach>" +
            " </script>")
    List<ActivityUserDO> batchSelectByAUIds(@Param("activityId")Long activityId, @Param("userIds")List<Long> userIds);
    @Update("<script> " +
            " update activity_user set status =#{status} " +
            " where activity_id = #{activityId} " +
            " and user_id in " +
            " <foreach collection= 'userIds' item = 'userId' open = '(' separator=',' close=')' > " +
            " #{userId}" +
            " </foreach>" +
            " </script>")
    void batchUpdateStatus(@Param("activityId")Long activityId, @Param("userIds")List<Long> userIds, @Param("status")String status);
}
